Appointment Hour Booking <= 1.3.72 - CAPTCHA Bypass

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2022-4036
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-11-29 21:15:12 UTC
Updated2026-04-08 19:17:55 UTC
DescriptionThe Appointment Hour Booking plugin for WordPress is vulnerable to CAPTCHA bypass in versions up to, and including, 1.3.72. This is due to the use of insufficiently strong hashing algorithm on the CAPTCHA secret that is also displayed to the user via a cookie.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS: 0.000950000 probability, percentile 0.264160000 (date 2026-04-09)

Problem Types: CWE-804 | CWE-326 | CWE-804 CWE-804 Guessable CAPTCHA

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
3.1[email protected]Secondary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
3.1CNADECLARED5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Dwbooster Appointment Hour Booking All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Codepeople Appointment Hour Booking Booking Calendar affected 1.3.72 semver Not specified

References

ReferenceSourceLinkTags
Vulnerability Advisories Continued - Wordfence af854a3a-2127-422b-91ae-364da2661108 www.wordfence.com Third Party Advisory
403 Forbidden af854a3a-2127-422b-91ae-364da2661108 plugins.trac.wordpress.org Patch, Third Party Advisory
www.wordfence.com/threat-intel/vulnerabilities/id/f62d28bd-fa33-4f0b-a116-5aacc... [email protected] www.wordfence.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Luca Greeb (en)

CNA: Andreas Krüger (en)

Additional Advisory Data

SourceTimeEvent
CNA2022-11-29T00:00:00.000ZDisclosed
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